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Crispin JC, Alcocer-Varela J, de Pablo P, Martínez A, Richaud-Patin Y, Alarcón-Segovia D.Crispin JC, et al.Lupus. 2003;12(5):386-93. doi: 10.1191/0961203303lu368oa.Lupus. 2003.PMID: 12765302